. >> families in china host parties to celebrate lunar new year's eve. this restaurant in san francisco china town carries on the century's old tradition. >> you have to make your own. >> and you do it together. >> wilma pang showed how to make a sugar filled dough ball in soup. it's harder than it looks. >> there's a hole in it. wait, there are two holes. >> wilma and volunteers are part of a better chinatown tomorrow. they educate the community about chinese culture. >> the dutch house is shaped like a crescent moon, also shaped like -- indicated prosperity. >> these students came for a taste of chinese culture and dumpling cuisine. the new year, 4711 is the year of the snake. one of the 12 zodiac animals. some say it's good news for finances, but others know snake years include the 1929 depression, pearl harbor in 1941. the massacre in 1989, and september 11 in 2001. some plan to slither from risk. >> move with caution, just like a snake. they are very cautious. >> whatever you think of the year of the snake, it does start on sunday. so, happy chinese